Combines with Rasheed Sulaimon to provide a veteran presence in the backcourt ... will be relied upon to provide leadership and guidance to talented but relatively inexperienced guard rotation

Ready to take on a larger leadership role as the lone scholarship senior on the roster

Solid floor general with the skill set to be one of the top point guards in the ACC ... consistency and renewed confidence should enable him to bounce back after an uneven junior season

Has worked diligently throughout the offseason on his conditioning ... has also improved his strength and explosiveness over the course of his career

Averaging 9.4 points, 2.4 rebounds, 3.9 assists and 1.1 steals per game over 104 contests ... has made 60 starts

Enters the season 17 points shy of becoming the 64th Duke player to top the 1,000-point plateau ... 94 assists shy of becoming the ninth Blue Devil to top the 500-assist mark

Ranks first at Duke with a 2.62:1 career assist-to-turnover ratio ... ranks just outside the top 10 at Duke with 406 career assists

Has made 134 three-point field goals, including 65 treys a year ago ... shooting 36.1 percent from three-point range in his career

Pass-first guard with the ability to break down defenses off the dribble ... creates scoring opportunities for his teammates with excellent court vision and the ability to deliver passes from a variety of angles

A crafty scorer with the quickness and athleticism to finish in the lane against bigger opponents ... can finish in the paint with either hand and also has an effective floater

A strong perimeter shooter from beyond the three-point line with a nice pull-up jumper off the dribble

Has steadily improved on the defensive end of the floor ranking among the conference leaders in steals each of the last two seasons ... has the ability to harass opposing point guards in the full court

A very good rebounder from the point guard position

Plays with great energy and emotion ... can ignite the team and the crowd with passing or scoring ability and defensive effort

Played for the East Coast All-Stars at the 2012 Four Nations Cup ... averaged 22.0 points and 4.0 rebounds per game while shooting .511 (23- of-45) from the floor

2013-14

Played 35 games with 22 starting assignments ... averaged 11.6 points, 2.2 rebounds, 4.4 assists and 1.3 steals per game

Led Duke in assists (153) and steals (47), while ranking tied for fourth and 10th, respectively, in the ACC in those categories

Finished second on the team with a career-best 65 three-point field goals ... shot 37.1 percent from three-point range on the year

Shot a team-high 82.7 percent from the foul line and 43.2 percent from the field

Scored in double-figures 19 times with five 20-point scoring efforts ... led the Blue Devils in scoring three times

Had five or more assists in a game 15 times ... led the team in assists in 22 contests

Made multiple three-point field goals in 20 games with three or more threes in a game seven times ... had at least one three-point field goal in 32 of Duke’s 35 games

Had eight steals versus UCLA (12/19) and five against Eastern Michigan (12/28) to become just the fifth player in Duke history to record five or more steals in back-to-back games

Scored a team-high 23 points to go along with four rebounds, four assists and two steals in the NCAA Tournament game against Mercer (3/21) ... went 8-of-11 from the field, including 7-of-10 from three-point range in the contest ... set a Duke NCAA Tournament record with seven three-point field goals

Had 14 points, three rebounds and three assists in the ACC Tournament against NC State (3/15) ... went 4-of-5 from the field, 3-of-4 from three-point range and 3-of-4 from the foul line in the win

Scored 11 points and added six assists in a win over No. 14 North Carolina (3/8) ... was 6-of-6 from the foul line

Registered 17 points, three rebounds, three assists and two steals at North Carolina (2/20) ... went 7-of-13 from the field, including 3-of-7 from three-point range

Scored 21 points on 7-of-10 shooting and added three assists and a steal at Boston College (2/8) ... knocked down 5-of-7 three-point field goals

Had seven points, five assists and no turnovers while playing 40 minutes in an overtime loss to No. 2 Syracuse (2/1)

Had eight points, three rebounds, seven assists and three steals at Clemson (1/11)

Recorded 13 points and five assists in a win over Georgia Tech (1/7)

Scored 22 points with four rebounds, four assists and two steals at Notre Dame (1/4) ... went 7-of-14 from the field, 3-of-5 from three-point range and 5-of-5 from the foul line in the contest

Had 11 points, five rebounds, four assists and three steals in a win over Elon (12/31)

Posted seven assists and five steals against Eastern Michigan (12/28)

Scored 14 points and added five assists and a career-high eight steals in a win over UCLA (12/19)

Registered 16 points, four rebounds, nine assists and two steals versus Gardner-Webb (12/16) ... went 5-of-8 from the field with a pair of three- pointers and 4-of-5 from the foul line

Led Duke to a win over No. 22 Michigan (12/3) with 24 points, four rebounds, nine assists and two steals ... went 6-of-11 from the field and 10-of-10 from the foul line

Went 6-of-9 from the field and scored 13 points to go along with three rebounds and three assists against No. 4 Arizona (11/29)

Scored 17 points and added four rebounds in a win over Alabama (11/27) ... went 3-of-4 from three-point range in the contest

Had 14 points and eight assists versus Vermont (11/24)

Recorded his first career double-double with 14 points and 10 assists against East Carolina (11/19)

Had eight points, six rebounds, eight assists and two steals against Florida Atlantic (11/15)

Had 10 points and four assists against No. 5 Kansas (11/12)

Opened the season with 21 points and eight assists versus Davidson (11/8) ... went 7-of-9 from the field, including 3-of-5 from three-point range, and 4-of-5 from the foul line in the win over the Wildcats

2012-13

Named to the All-ACC third team by the media

Made 34 starts while playing in all 36 games ... averaged 5.3 assists per game to rank second in the ACC ... led Duke in assists (190) and steals (51)

Ranked second in the conference in assist-to-turnover ratio (2.4), fifth in steals per game (1.4) and ninth in minutes per game (33.6)

Averaged 11.7 points, 3.8 rebounds and 5.3 assists per game to become the eighth player in Duke history to average over 10.0 points, 3.5 rebounds and 5.0 assists per game

Raised his scoring average 7.3 points per game from his freshman season, the fifth-largest jump in the ACC

Scored in double figures 20 times with three 20-point contests

Tallied five or more assists 20 times while reaching double figures in the assist column on three occasions ... committed three or fewer turnovers in 29 of 36 games

Shot 87.7 percent from the foul line and 41.6 percent from the field

Finished second on the team with 55 three-point field goals ... shot 39.3 percent from behind the three-point arc

Averaged 13.6 points, 3.8 rebounds, 5.1 assists and 1.3 steals per game in regular season ACC play

Turned in 12 points, four rebounds, five assists and just one turnover against top-seeded Louisville in the Elite Eight of the NCAA Tournament

Dished 11 assists against Albany in the first round of the NCAA Tournament (3/22), marking the second most in an NCAA Tournament game in Duke history

Played the full 40 minutes for the third time in 2012-13, scoring 12 points and dishing out five assists in a win over North Carolina (3/9)

Topped the 500-point mark for his career with a 15-point effort in a win over Miami (3/2)

Tallied his third 20-plus point effort of the season against Virginia (2/28) ... went 4-of-9 from three-point range to match a career-high

Totaled 18 points, six assists and four steals against Maryland (2/16)

Scored 18 points and nabbed four steals to lead Duke past North Carolina (2/13) ... went 6-of-6 at the free throw line in the win

Hit four three-pointers in a win over N.C. State (2/7) ... notched his second 20-point game of the season on 6-of-8 shooting from the floor and 4-of-5 shooting from three-point range

Sank four treys while totaling 18 points against Florida State (2/2) ... also dished six assists

Played all but the final 12 seconds of the game in a win over Maryland (1/26) ... dished nine assists which led directly to 20 points ... also scored 11 points and grabbed five rebounds

Reached the 100-assist mark for the season with five helpers against Georgia Tech (1/17)

Had 17 points and seven assists versus No. 20 N.C. State (1/12)

Scored a career-high 27 points on a career-best 12-of-16 field goal shooting performance against Clemson (1/8) ... became the third player in program history to record at least 25 points, five rebounds, five assists and four steals in a game

Dished a career-high 14 assists and committed just one turnover in the ACC opener against Wake Forest (1/5) ... his 14:1 assist-to-turnover ratio tied for the second-highest single-game A/T ratio in school history ... the 14 assists were also the sixth-most in a game in school history

Notched double-figure scoring to lead Duke past Davidson (1/2) ... recorded seven of his 15 points in the final 3:58 to key an 11-2 Duke run during that stretch

Grabbed a career-high eight rebounds to go with 10 points, three assists and four steals in a win over Elon (12/20) ... the eight rebounds were the most by a Duke guard since Austin Rivers had nine against Miami on Feb. 5, 2012

Dished out 12 assists in 26 minutes of action against Cornell (12/19)

Hit three treys to finish with 14 points against Temple (12/8) ... also registered four assists and three steals

Played a career-high 40 minutes in a 73-68 win over No. 4 Ohio State (11/28), scoring 12 points to go with eight assists, six boards and two steals ... went 6-of-7 at the charity stripe, hitting all six free throws in the final 30 seconds of the game to seal the Duke victory

Named Battle 4 Atlantis MVP after averaging 13.7 points, 6.3 assists, 3.3 rebounds and 2.0 steals over three games in the tournament ... named ACC Player of the Week following his performance in the tournament (11/26)

Recorded 15 points, four rebounds and six assists to lead Duke past No. 2 Louisville (11/24)

Delivered nine assists in a win over VCU (11/23) ... four of those assists came during a 15-4 Duke run at the beginning of the second half ... finished with nine points in 39 minutes of action

Scored 17 points, hit three treys and nabbed five steals in the Battle 4 Atlantis opener against Minnesota (11/22)

Earned his first start of the season against Florida Gulf Coast (11/18) ... responded with eight points, four rebounds, nine assists and one steal

Appeared in 33 games with four starts ... averaged 4.4 points per game and 1.9 assists per game ... logged a 3.50:1 assist-to-turnover ratio, which would have been the highest by a freshman in school history had he met the 2.0 assists per game minimum

Shot .405 (47-of-116) from the floor and .250 (14-of-56) from three-point range ... shot .776 (14-of-56) from the free throw line

Strung together a streak of 21 consecutive assists without a turnover from Dec. 19 to Jan. 4, which was the second longest streak in Duke history behind only Jon Scheyer’s 22-assist run from Nov. 3, 2009 to Nov. 21, 2009

Scored in double figures five times, including a career-best 16-point outing versus Western Michigan (12/30)

Added six points, two rebounds and three assists in 17 minutes off the bench against Wake Forest (2/28)

Contributed five points and three assists in 13 minutes against Boston College (2/19)

Scored 10 points in a 73-66 win over Clemson, hitting 4-of-6 shots from the floor and 2-of-3 from three-point range (1/15)

Made his first career start at Georgia Tech and finished with 10 points, five assists and one turnover (1/7)

Named ACC Rookie of the Week on Jan. 2 after averaging 11.0 points, 2.5 rebounds, 8.5 assists and 1.0 steals per game in wins over Western Michigan and Penn ... shot 50.0 percent (6-of-12) from the field and 90.0 percent (9-of-10) from the foul line for the week ... also had 17 assists without a turnover in 45 minutes of action

Recorded nine assists and zero turnovers in the win over Penn ... the performance tied the school freshman record for the most assists in a game without a turnover (1/1)

Scored a career-high 16 points and dished out eight assists in the 110-70 win over Western Michigan ... also swiped two steals and blocked a shot while pulling in four rebounds (12/30)

Named ACC Rookie of the Week on Dec. 26 after scoring 14 points against UNC Greensboro ... sank 6-of-7 field goals against the Spartans while also adding a pair of assists and a steal (12/19)

Scored nine points against Davidson, all of which came in the second half ... added a pair of steals and went 4-for-5 from the free throw line (11/18)

Scored 10 points against Presbyterian, going 2-for-3 from three-point range ... also contributed two assists and went 4-for-4 from the line (11/12)

High School

Transferred to Oak Hill Academy (Va.) for his senior season where he played for head coach Steve Smith … played his first three seasons at DeMatha High School under head coach Mike Jones

A 2011 McDonald’s All-America selection … scored 14 points on 6-of-13 shooting to help the East squad to a 111-96 victory

Also selected to play in the Derby Festival Classic in Louisville

Averaged 21.0 points, 10.9 assists and 2.2 steals per game in pacing Oak Hill to a 31-4 record in 2010-11 … team finished the year ranked No. 4 nationally by USA Today and No. 7 by ESPN Rise

Named a 2011 second team All-America by MaxPreps

Had three 30-point games as a senior, including 31-point outbursts against Summitt Christian and Iolani High School

Scored 22 points to lead Oak Hill Academy past Montverde Academy in the final of the Iolani Classic, landing him MVP honors … also had a 13-assist game while in Hawaii for the Iolani Classic

Selected to play in the fifth annual Boost Mobile Elite 24 game prior to his senior season, joining future Duke teammates Austin Rivers, Alex Murphy and Michael Gbinije … suffered a knee injury during practices and did not play in the game

Attended DeMatha High School (Md.) and helped lead his team to a 32-4 record in 2009-10 … guided the team to conference and city titles for the second consecutive season

Named to the 2010 ESPN Rise Underclass All-America team after averaging 19.8 points, 3.3 rebounds and 5.9 assists per game as a junior

Named the Washington Post 2010 All-Met Player of the Year (the first junior in 30 years to win the award) … was also the WCAC Player of the Year

A first team Junior All-America team selection by MaxPreps in 2010

Helped lead DeMatha to a 31-4 record and the WCAC title and the city title as a sophomore

Started all 35 games and averaged 14.0 points, 4.0 rebounds and 6.0 assists en route to earning WCAC Sophomore of the Year honors

Named to the Washington Post 2009 All-Met third team, the only sophomore to be listed among the 2009 All-Met teams … also a All-WCAC first team pick by the Washington Post

2009 All-Prince Georges County first team selection by numerous publications, including the Washington Post

DeMatha finished ranked No. 8 nationally and No. 5 in the East Region on the ESPN Rise Fab 50 listing.

As a freshman aided DeMatha to a 20-10 record and a third place finish in the league … averaged 10.0 points and 5.0 assists per game.

Earned National High School Hoops Festival MVP honors in 2008 and was an All-WCAC honorable mention selection

During his career at DeMatha, the Stags had an impressive 85-18 record and finished as the No. 1 ranked team in Maryland in 2010

Played AAU Basketball with DC Assault

Named MVP of the 2010 adidas Nations Experience after leading his team to the tournament championship

Recorded 12 points, on 5-of-7 shooting, and three assists to help the USA Basketball Junior National Select Team to a 92-80 win over the World Select team in the 2011 Nike Hoop Summit

Team captain of the 2010 USA U17 World Championship Team that posted a perfect 8-0 record and captured the gold medal … started all eight games and averaged 7.5 points, 3.0 rebounds and a tournament-leading 7.4 assists per game.

Also the team captain of the 2009 USA U16 National Team that posted a 5-0 mark and captured the 2009 FIBA Americas U16 Championship gold medal … started all five games and averaged 15.6 points, 3.6 rebounds and a team-high 5.0 assists per game

Personal

Born Quinn Alexander Cook on March 23, 1993, in Washington, D.C.

Son of Janet and the late Ted Cook

Has one older sister, Kelsey

Lists former Blue Devil All-America Nolan Smith as his god-brother … wore the #2 at Oak Hill Academy and now at Duke in tribute to Smith